672195144 has 32 divisors (see below), whose sum is σ = 1688037120. Its totient is φ = 223058496.

The previous prime is 672195143. The next prime is 672195151. The reversal of 672195144 is 441591276.

It is not an unprimeable number, because it can be changed into a prime (672195143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57447 + ... + 68150.

It is an arithmetic number, because the mean of its divisors is an integer number (52751160).

Almost surely, 2^672195144 is an apocalyptic number.

It is an amenable number.

672195144 is an abundant number, since it is smaller than the sum of its proper divisors (1015841976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672195144 is a wasteful number, since it uses less digits than its factorization.

672195144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125829 (or 125825 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 672195144 is about 25926.7264420327. The cubic root of 672195144 is about 875.9886051769.

The spelling of 672195144 in words is "six hundred seventy-two million, one hundred ninety-five thousand, one hundred forty-four".